Improvement of the frequency, intensity and temperature performance of the terahertz emission from high-Tc superconductor
Project/Area Number |
15K04688
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Research Category |
Grant-in-Aid for Scientific Research (C)
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Allocation Type | Multi-year Fund |
Section | 一般 |
Research Field |
Optical engineering, Photon science
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Research Institution | University of Tsukuba |
Principal Investigator |
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Co-Investigator(Kenkyū-buntansha) |
門脇 和男 筑波大学, 数理物質系, 教授 (00272170)
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Project Period (FY) |
2015-04-01 – 2018-03-31
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Project Status |
Completed (Fiscal Year 2017)
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Budget Amount *help |
¥4,940,000 (Direct Cost: ¥3,800,000、Indirect Cost: ¥1,140,000)
Fiscal Year 2017: ¥910,000 (Direct Cost: ¥700,000、Indirect Cost: ¥210,000)
Fiscal Year 2016: ¥1,300,000 (Direct Cost: ¥1,000,000、Indirect Cost: ¥300,000)
Fiscal Year 2015: ¥2,730,000 (Direct Cost: ¥2,100,000、Indirect Cost: ¥630,000)
|
Keywords | テラヘルツ / ジョセフソン効果 / 高温超伝導 / テラヘルツ波 |
Outline of Final Research Achievements |
Terahertz electromagnetic wave emitter made with high-Tc superconductor Bi2Sr2CaCu2O8+δ was studied, with the aim of increasing the radiation output, widening the radiation frequency, and raising the operation temperature. We worked on the development of techniques which fabricate the device arrays of 1×4~2×7 and efficiently remove the heat generated in the devices, and the improvement of the device structure, and so on. As a result, we succeeded in making the radiation output 2.7 times compared with the highest before this project (from ~30 μW to ~80 μW). The highest intensity was observed at the temperature of 72.5 K, implying the improvement of the operation temperature performance. The highest radiation frequency was successfully expanded to 2.4 THz.
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Report
(4 results)
Research Products
(51 results)
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[Journal Article] Thermoreflectance microscopy measurements of the Joule heating characteristics of high- Tc superconducting terahertz emitters2017
Author(s)
T. Kashiwagi, T. Tanaka, C. Watanabe, H. Kubo, Y. Komori, T. Yuasa, Y. Tanabe, R. Ota, G. Kuwano, K. Nakamura, M. Tsujimoto, H. Minami, T. Yamamoto, R. A. Klemm, and K. Kadowaki
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Journal Title
Journal of Applied Physics
Volume: 122
Issue: 23
Pages: 233902-233902
DOI
Related Report
Peer Reviewed / Open Access / Int'l Joint Research
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[Journal Article] The present status of high-Tc superconducting terahertz emitters2017
Author(s)
T. Kashiwagi, H. Kubo, K. Sakamoto, T. Yuasa, Y. Tanabe, C. Watanabe, T. Tanaka, Y. Komori, R. Ota, G. Kuwano, K. Nakamura, T. Katsuragawa, M. Tsujimoto, T. Yamamoto, R. Yoshizaki, H. Minami, K. Kadowaki, R. A. Klemm
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Journal Title
Superconductor Science & Technology
Volume: 30
Issue: 7
Pages: 074008-074008
DOI
Related Report
Peer Reviewed / Open Access / Int'l Joint Research
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[Journal Article] Cavity Mode Enhancement of Terahertz Emission from Equilateral Triangular Microstrip Antennas of the High-Tc Superconductor Bi2Sr2CaCu2O8+d2016
Author(s)
Daniel P. Cerloney, Candy Reid, Constance M. Doty, Ashley Gramajo, Tyler D. Campbell, Manuel A. Morales, Kaveh Delfanazari, Manabu Tsujimoto, Takanari Kashiwagi, Takashi Yamamoto, Chiharu Watanabe, Hidetoshi Minami, Kazuo Kadowaki and Richard A. Klemm
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Journal Title
J. Phys.: Condens. Matter
Volume: 29
Issue: 1
Pages: 015601-015601
DOI
Related Report
Peer Reviewed / Open Access / Int'l Joint Research / Acknowledgement Compliant
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[Journal Article] A high- Tc intrinsic Josephson junction emitter tunable from 0.5 to 2.4 terahertz2015
Author(s)
T. Kashiwagi, K. Sakamoto, H. Kubo, Y. Shibano, T. Enomoto, T. Kitamura, K. Asanuma, T. Yasui, C. Watanabe, K. Nakade, Y. Saiwai, T. Katsuragawa, M. Tsujimoto, R. Yoshizaki, T. Yamamoto, H. Minami, R. A. Klemm, and K. Kadowaki
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Journal Title
Applied Physics Letters
Volume: 107
Issue: 8
DOI
Related Report
Peer Reviewed / Open Access / Int'l Joint Research
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[Journal Article] Current Filamentation in Large Bi2Sr2CaCu2O8+δ Mesa Devices Observed via Luminescent and Scanning Laser Thermal Microscopy2015
Author(s)
T. M. Benseman, A. E. Koshelev, V. Vlasko-Vlasov, Y. Hao, W.-K. Kwok, U. Welp, C. Keiser, B. Gross, M. Lange, D. Kolle, R. Kleiner, H. Minami, C. Watanabe, and K. Kadowaki
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Journal Title
Physical Review Applied
Volume: 3
Issue: 4
DOI
Related Report
Peer Reviewed / Open Access / Int'l Joint Research
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[Journal Article] Efficient Fabrication of Intrinsic-Josephson-Junction Terahertz Oscillators with Greatly Reduced Self-Heating Effects2015
Author(s)
T. Kashiwagi, T. Yamamoto, H. Minami, M. Tsujimoto, R. Yoshizaki, K. Delfanazari, T. Kitamura, C. Watanabe, K. Nakade, T. Yasui, K. Asanuma, Y. Saiwai, Y. Shibano, T. Enomoto, H. Kubo, K. Sakamoto, T. Katsuragawa, B. Markovic, J. Mirkovic, R. A. Klemm, and K. Kadowaki
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Journal Title
Physical Review Applied
Volume: 4
Issue: 5
DOI
Related Report
Peer Reviewed / Open Access / Int'l Joint Research
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[Presentation] サーモリフレクタンス法を用いた固有ジョセフソン接合系Bi2212テラヘルツ発振素子の特性評価2018
Author(s)
柏木隆成, 田中大河, 渡辺千春, 小守優貴, 田邊祐希, 湯浅拓実, 太田隆晟, 桑野玄気, 中村健人, 今井貴之, 大野雪乃, 金子陽太, 辻本学, 山本卓, 南英俊, 門脇和男
Organizer
日本物理学会第73回年次大会(2018年)
Related Report
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[Presentation] Terahertz Emission from the Intrinsic Josephson Junctions of High-symmetry Thermally-managed Bi2Sr2CaCu2O8+δ Microstrip Antennas2018
Author(s)
R. Klemm, A. Davis, Q. Wang, T. Yamamoto, D. Cerkoney, C. Reid, M. Koopman, H. Minami, T. Kashiwagi, J. Rain, C. Doty, M. Sedlack, M. Morales, C. Watanabe, M. Tsujimoto, K. Delfanazari, K. Kadowaki
Organizer
American Physical Society March meeting 2018
Related Report
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[Presentation] Study of Joule Heating Characteristics of Bi2Sr2CaCu2O8+δ High-Tc Superconducting Terahertz Emitters2018
Author(s)
T. Kashiwagi, T. Tanaka, C. Watanabe, H. Kubo, Y. Komori, T. Yuasa, Y. Tanabe, R. Ota, G. Kuwano, K. Nakamura, M. Tsujimoto, H. Minami, T. Yamamoto, R. Klemm, K. Kadowaki
Organizer
American Physical Society March meeting 2018
Related Report
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[Presentation] Study of radiation intensity characteristics from Bi2Sr2CaCu2O8+δ high-Tc superconducting terahertz emitters2017
Author(s)
T. Kashiwagi, T. Yuasa, H. Kubo, K. Sakamoto, C. Watanabe, T. Katsuragawa, T. Tanaka, Y. Komori, Y. Tanabe, R. Ota, G. Kuwano, M. Tsujimoto, R. Yoshizaki, T. Yamamoto, H. Minami, R. A. Klemm, and K.Kadowaki
Organizer
American Physical Society March Meeting 2017
Place of Presentation
New Orleans, Louisiana, USA
Year and Date
2017-03-13
Related Report
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[Presentation] Effect of stripline electrodes on coherent terahertz emission from BSCCO intrinsic Josephson junctions2017
Author(s)
M. Tsujimoto, G. Kuwano, C. Watanabe, H. Kubo, K. Sakamoto, T. Katsuragawa, T. Tanaka, T. Yuasa, Y. Komori, R. Ota, Y. Tanabe, K. Nakamura, T. Kashiwagi, H. Minami, K.Kadowaki, T. Doi, A. Elarabi, and I. Kakeya
Organizer
American Physical Society March Meeting 2017
Place of Presentation
New Orleans, Louisiana, USA
Year and Date
2017-03-13
Related Report
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[Presentation] Terahertz emission from pie-shaped wedge microstrip antennas of the high-Tc superconductor Bi2Sr2CaCu2O8+δ2017
Author(s)
Q. Wang, C. Doty, R. Klemm, K. Delfanazari, D. Cerkoney, T. Yamamoto, M. Tsujimoto, K. Kadowaki, C. Watanabe, H. Minami, T. Kashiwagi, and M. Morales
Organizer
American Physical Society March Meeting 2017
Place of Presentation
New Orleans, Louisiana, USA
Year and Date
2017-03-13
Related Report
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[Presentation] Cavity mode enhancement of terahertz emission from equilateral triangular microstrip antennas of the high-Tc superconductor Bi2Sr2CaCu2O8+δ2017
Author(s)
C. Doty, D. Cerkoney, A. Gramajo, T. Campbell, C. Reid, M. Morales, K. Delfanazari, T. Yamamoto, M. Tsujimoto, T. Kashiwagi, C. Watanabe, H. Minami, K. Kadowaki and R. A. Klemm
Organizer
American Physical Society March Meeting 2017
Place of Presentation
New Orleans, Louisiana, USA
Year and Date
2017-03-13
Related Report
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[Presentation] 固有ジョセフソン接合系Bi2212テラヘルツ発振素子の発振周波数特性について2017
Author(s)
柏木隆成, 湯浅拓実, 田中大河, 小守優貴, 田邊祐希, 太田隆晟, 桑野玄気, 中村健人, 今井貴之, 大野雪乃, 辻本学, 山本卓, 吉崎亮造, 南英俊, 門脇和男
Organizer
日本物理学会2017年秋季大会
Related Report
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[Presentation] Device Characteristics of High-Tc Superconducting Intrinsic Josephson Junction Terahertz Emitters2017
Author(s)
T. Kashiwagi , T. Yuasa, Y. Tanabe, T. Tanaka, Y. Komori, R. Ota, G. Kuwano, K. Nakamura, C. Watanabe, M. Tsujimoto, T. Yamamoto, R. Yoshizaki, H. Minami, R. Klemm, K. Kadowaki
Organizer
28th International Conference on Low Temperature Physics (9-16 August 2017, Gothenburg Sweden)
Related Report
Int'l Joint Research
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[Presentation] A high Tc superconducting terahertz emitter operated from 0.5 to 2.4 THz2016
Author(s)
T. Kashiwagi, K. Sakamoto, H. Kubo, Y. Shibano, T. Enomoto, T. Kitamura, K. Asanuma, T. Yasui, C. Watanabe, K. Nakade, Y. Saiwai, T. Katsuragawa, T. Tanaka, T. Yuasa, M. Tsujimoto, R. Yoshizaki, T. Yamamoto, H. Minami, R. A. Klemm, and K.Kadowaki
Organizer
American Physical Society March Meeting 2016
Place of Presentation
Baltimore, Maryland, USA
Year and Date
2016-03-14
Related Report
Int'l Joint Research
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